'''
Function:
    豆瓣模拟登录
        --PC端: https://www.douban.com/
        --移动端暂不支持
Author:
    Charles
微信公众号:
    Charles的皮卡丘
GitHub:
    https://github.com/CharlesPikachu
更新日期:
    2020-04-18
'''
import requests


'''
Function:
    豆瓣模拟登录
Detail:
    -login:
        Input:
            --username: 用户名
            --password: 密码
            --mode: mobile/pc
            --crackvcFunc: 若提供验证码接口, 则利用该接口来实现验证码的自动识别
            --proxies: 为requests.Session()设置代理
        Return:
            --infos_return: 用户名等信息
            --session: 登录后的requests.Session()
'''
class douban():
    def __init__(self, **kwargs):
        self.info = 'douban'
        self.session = requests.Session()
    '''登录函数'''
    def login(self, username, password, mode='pc', crackvcFunc=None, **kwargs):
        # 设置代理
        self.session.proxies.update(kwargs.get('proxies', {}))
        # 移动端接口
        if mode == 'mobile':
            raise NotImplementedError
        # PC端接口
        elif mode == 'pc':
            self.__initializePC()
            self.session.get(self.home_url)
            # 模拟登录
            data = {
                    'ck': '',
                    'name': username,
                    'password': password,
                    'remember': 'true',
                    'ticket': ''
                    }
            res = self.session.post(self.login_url, data=data)
            res_json = res.json()
            # 登录成功
            if res_json['status'] == 'success':
                print('[INFO]: Account -> %s, login successfully...' % username)
                infos_return = {'username': username}
                infos_return.update(res_json)
                return infos_return, self.session
            # 账号或密码错误
            elif res_json['status'] == 'failed' and res_json['message'] == 'unmatch_name_password':
                raise RuntimeError('Account -> %s, fail to login, username or password error...' % username)
            # 其他错误
            else:
                raise RuntimeError(res_json.get('description'))
        # mode输入有误
        else:
            raise ValueError('Unsupport argument in douban.login -> mode %s, expect <mobile> or <pc>...' % mode)
    '''初始化PC端'''
    def __initializePC(self):
        self.headers = {
                            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36',
                            'Host': 'accounts.douban.com',
                            'Origin': 'https://accounts.douban.com',
                            'Referer': 'https://accounts.douban.com/passport/login_popup?login_source=anony'
                        }
        self.home_url = 'https://www.douban.com/'
        self.login_url = 'https://accounts.douban.com/j/mobile/login/basic'
        self.session.headers.update(self.headers)
    '''初始化移动端'''
    def __initializeMobile(self):
        pass


'''test'''
if __name__ == '__main__':
    douban().login('', '')